Gaya APA

HIRA, A, N. et al (1994). PROJECT MANAGEMENT TECHNIQUES IN PLANNING AND CONTROLLING CONSTRUCTION PROJECTS . new york: JHON WILEY.

Gaya MLA

HIRA, AHUJA, N.. et al. "PROJECT MANAGEMENT TECHNIQUES IN PLANNING AND CONTROLLING CONSTRUCTION PROJECTS". new york: JHON WILEY, 1994. Text.